Patents by Inventor Yutaka Nozoe

Yutaka Nozoe has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20140104546
    Abstract: A cellulose acylate film containing a cellulose acylate and a specific polymer, the specific polymer containing a repeating unit derived from a monomer represented by formula (1): wherein R1 represents a hydrogen atom or an aliphatic group having 1 to 4 carbon atoms; R2 represents a substituent; (A) represents an atomic group necessary to form a 5- or 6-membered ring; and n represents an integer of 0 to 4
    Type: Application
    Filed: December 19, 2013
    Publication date: April 17, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Yutaka NOZOE, Akio TAMURA, Yu NAITO
  • Publication number: 20140085575
    Abstract: A cellulose acylate film containing at least one compound represented by the following Formula (I) or (II), and cellulose acylate, a polarizing plate using the same and a liquid crystal display device using the same, wherein in Formula (I), R1 represents an alkyl group; R2 and R3 each represent a hydrogen atom, an alkyl or an aryl group; R4 represents an alkyl group; Ar1 represents an aromatic group; m and n are integers; provided that when n is 1, Ar1 represents an aromatic group; and in Formula (II), R11 to R14 each represent a hydrogen atom, or an alkyl group; R11 and R12, and/or, R13 and R14 may form a ring; R15 and R17 each represent an alkyl group; and R16 and R18 each represent a hydrogen atom or alkyl group; Ar represents an arylene group; and l, m1 and n1 are integers.
    Type: Application
    Filed: September 19, 2013
    Publication date: March 27, 2014
    Applicant: Fujifilm Corporation
    Inventors: Yutaka NOZOE, Yu NAITO
  • Publication number: 20140057060
    Abstract: A polarizing plate includes, in the following order: a transparent protective film; an adhesive layer; and a polarizer, and the transparent protective film has a thickness of from 5 to 60 ?m and contains at least one resin and a compound (A) having at least one hydrogen bond-forming hydrogen-donating group and a ratio of a molecular weight to an aromatic ring number of 190 or less.
    Type: Application
    Filed: August 22, 2013
    Publication date: February 27, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Nobutaka FUKAGAWA, Yu NAITO, Akio TAMURA, Yutaka NOZOE
  • Patent number: 8598336
    Abstract: A cellulose derivative and a resin composition having good thermoplasticity, strength, and elongation at break and therefore suited to molding processing are provided. The cellulose derivative is derived by replacing at least part of the hydrogen atoms of the hydroxyl groups of cellulose with a hydrocarbon group and an aliphatic or aromatic oxycarbonyl group.
    Type: Grant
    Filed: September 28, 2009
    Date of Patent: December 3, 2013
    Assignee: Fujifilm Corporation
    Inventors: Yutaka Nozoe, Toshihide Yoshitani
  • Patent number: 8313814
    Abstract: A method of producing a cellulose derivative film, the method comprising: forming a film with a solvent cast method from a dope including a cellulose derivative satisfying following conditions (a) and (b): (a) at least one among three hydroxyl groups included in a glucose unit of cellulose is substituted by a substituent of which a polarizability anisotropy ?? represented as following Expression (1) is 2.5×10?24 cm3 or higher: Expression (1): ??=?x?(?y+?z)/2, wherein ?x, ?y and ?z is as defined in the specification; and (b) when a substitution degree by a substituent of which ?? is 2.5×10?24 cm3 or higher is PA, and a substitution degree by a substituent of which ?? is lower than 2.5×10?24 cm3 is PB, the PA and PB satisfy following Expressions (3) and (4): Expression (3): 2PA+PB>3.0; and Expression (4): PA>0.2.
    Type: Grant
    Filed: November 24, 2006
    Date of Patent: November 20, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Hiromoto Haruta, Osamu Takahashi, Yutaka Nozoe, Nobutaka Fukagawa, Mitsuyoshi Ichihashi, Hiroaki Sata, Tadashi Omatsu, Masaki Okazaki
  • Patent number: 8221855
    Abstract: A cellulose derivative film having high optical isotropy over the whole visible region and high durability against high temperature and humidity conditions is provided. The film contains a cellulose derivative having a substituent the polarizability anisotropy ?? (=?x?(?y+?z)/2) of which is 2.5×10?24 cm3 or more, and the film has an in-plane retardation Re and a thickness direction retardation Rth satisfying the respective inequalities: |Rth(589)|?25 nm and |Re(589)|?10 nm. Also provided are an optical compensation film, a polarizing plate, and a liquid crystal device that use the cellulose derivative film and exhibit excellent viewing angle characteristics and durability.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: July 17, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Tadashi Omatsu, Nobutaka Fukagawa, Hiromoto Haruta, Yutaka Nozoe, Tomohiro Ogawa, Hiroaki Sata
  • Publication number: 20120108805
    Abstract: A cellulose resin composition for melt molding, containing a cellulose derivative having two or more kinds of aliphatic oxy groups having different carbon numbers (—OR) (wherein R represents an aliphatic group which may be unsubstituted or substituted), wherein a difference in carbon number between the aliphatic oxy group having the largest carbon number and the aliphatic oxy group having the smallest carbon number is 1 to 18. The cellulose resin composition can provide good thermoplasticity and excellent mechanical strength, and can be used to prepare a molded body and a case for electric and electronic devices.
    Type: Application
    Filed: June 25, 2010
    Publication date: May 3, 2012
    Applicant: FUJIFILM CORPORATION
    Inventor: Yutaka Nozoe
  • Patent number: 8147931
    Abstract: A cellulose-film modifier, having a compound represented by the following Formula (1): wherein R1 represents a hydrogen atom or an aliphatic or aromatic acyl group; R2, R3 and R4 each represent a hydrogen atom or an aliphatic or aromatic group; and at least one of R2, R3 and R4 represents an aliphatic group bonding via its secondary carbon; a cellulose composition, an optical cellulose film, a polarizing plate-protecting film, a polarizing plate, and a liquid crystal display device.
    Type: Grant
    Filed: July 23, 2008
    Date of Patent: April 3, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Akihiro Matsufuji, Takeichi Tatsuta, Yutaka Nozoe
  • Publication number: 20110183090
    Abstract: A cellulose derivative and a resin composition having good thermoplasticity, strength, and elongation at break and therefore suited to molding processing are provided. The cellulose derivative is derived by replacing at least part of the hydrogen atoms of the hydroxyl groups of cellulose with a hydrocarbon group and an aliphatic or aromatic oxycarbonyl group.
    Type: Application
    Filed: September 28, 2009
    Publication date: July 28, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Yutaka Nozoe, Toshihide Yoshitani
  • Patent number: 7981488
    Abstract: A liquid crystal display device comprising a liquid crystal cell and two polarizing plates disposed on the both sides thereof, wherein a protective film satisfying the specific conditions of retardation is sandwitched each between the liquid crystal cell and the polarizing plates. The liquid crystal display device can be easily produced at low costs and has a low viewing angle dependency of color.
    Type: Grant
    Filed: June 6, 2006
    Date of Patent: July 19, 2011
    Assignee: Fujifilm Corporation
    Inventors: Nobutaka Fukagawa, Hiromoto Haruta, Yutaka Nozoe
  • Patent number: 7940355
    Abstract: A cellulose acylate film comprising: (A) at least one retardation regulator that has an absorbance, in terms of a 1.0 g/liter solution, of 0.1 or less for a 1 cm path length within a wavelength region of 450 nm or greater but not greater than 800 nm; and (B) at least one near infrared absorber that has at least one maximum absorption wavelength at 700 nm or greater but not greater than 1200 nm and has an absorbance, in terms of a 1.0 g/liter solution, of 30.0 or less for a 1 cm path length within a wavelength region of 450 nm or greater but not greater than 650 nm.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: May 10, 2011
    Assignee: Fujifilm Corporation
    Inventors: Mamoru Sakarazawa, Yutaka Nozoe, Tomohiro Ogawa
  • Publication number: 20110098463
    Abstract: A cellulose derivative obtained from cellulose by substitution of hydrocarbyl groups ranging in carbon number from 1 to 7 and aliphatic acyl groups ranging in carbon number from 4 to 11 for at least part of the hydrogen atoms of hydroxyl groups contained in the cellulose. The cellulose derivative can exhibit good thermal plasticity, strength, heat resistance and mold working suitability.
    Type: Application
    Filed: June 29, 2009
    Publication date: April 28, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Toshihide Yoshitani, Yutaka Nozoe, Daisuke Sawai
  • Publication number: 20100079707
    Abstract: The invention relates to a cellulose ester film, comprising at least one cellulose ester that satisfies the following formulae, 2.2?X1+X2?2.55, 1.1?X1<1.5, and 1.05?X2?1.4, which satisfies the following formulae Re(450)/Re(550)<1, Re(650)/Re(550)>1, Rth(450)/Rth(550)<1, and Rth(650)/Rth(550)>1, wherein X1 means a degree of substitution with an acetyl group in the cellulose ester; X2 means a degree of substitution with a propionyl group and/or a butyryl group in the cellulose ester; Re(?) means retardation (nm) in plane of the film at a wavelength of ? (nm); and Rth(?) means retardation (nm) along the thickness direction of the film at a wavelength of ? (nm).
    Type: Application
    Filed: September 25, 2009
    Publication date: April 1, 2010
    Applicant: FUJIFILM Corporation
    Inventors: Hajime NAKAYAMA, Yutaka NOZOE
  • Publication number: 20090290100
    Abstract: A method of producing a cellulose derivative film, the method comprising: forming a film with a solvent cast method from a dope including a cellulose derivative satisfying following conditions (a) and (b): (a) at least one among three hydroxyl groups included in a glucose unit of cellulose is substituted by a substituent of which a polarizability anisotropy ?? represented as following Expression (1) is 2.5×10?24 cm3 or higher: Expression (1): ??=?x?(?y+?z)/2, wherein ?x, ?y and ?z is as defined in the specification; and (b) when a substitution degree by a substituent of which ?? is 2.5×10?24 cm3 or higher is PA, and a substitution degree by a substituent of which ?? is lower than 2.5×10?24 cm3 is PB, the PA and PB satisfy following Expressions (3) and (4): Expression (3): 2PA+PB>3.0; and Expression (4): PA>0.2.
    Type: Application
    Filed: November 24, 2006
    Publication date: November 26, 2009
    Applicant: FUJIFILM CORPORATION
    Inventors: Hiromoto Haruta, Osamu Takahashi, Yutaka Nozoe, Nobutaka Fukagawa, Mitsuyoshi Ichihashi, Hiroaki Sata, Tadashi Omatsu, Masaki Okazaki
  • Patent number: 7615264
    Abstract: A cellulose acylate film comprising a compound having a hydrogen-donating group capable of forming a hydrogen bond and an aromatic ring, and a compound represented by the following formula: wherein R2, R4, and R5 represent H or a substituent, R11 and R13 represent H or an alkyl group, L1 and L2 represent a single bond or a divalent linking group, Ar1 represents an arylene group or a divalent aromatic heterocyclic group, Ar2 represents an aryl group or a monovalent aromatic heterocyclic group, n represents an integer of 3 or more.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: November 10, 2009
    Assignee: Fujifilm Corporation
    Inventors: Nobutaka Fukagawa, Shigeo Uehira, Yutaka Nozoe, Kunihiro Atsumi
  • Patent number: 7611760
    Abstract: A cellulose acylate film is provided and has an elasticity modulus of 4,800 MPa to 10,000 MPa in at least either a machine direction MD at film-formation time or a direction TD perpendicular to the machine direction.
    Type: Grant
    Filed: April 21, 2006
    Date of Patent: November 3, 2009
    Assignee: Fujifilm Corporation
    Inventors: Hidenori Hayashi, Keiichi Taguchi, Kunihiro Atsumi, Yutaka Nozoe
  • Publication number: 20090247739
    Abstract: A cellulosic substance composition includes: a cellulosic substance having a branched structure or cyclic structure-containing aliphatic acyl group (A) having from 4 to 30 carbon atoms, the aliphatic acyl group (A) being represented by formula (1): wherein R11, R12 and R13 each independently represents a hydrogen atom or an alkyl group, provided that at least two of R11, R12 and R13 are an alkyl group; R11, R12 and R13 may each independently have a substituent; at least two of R11, R12 and R13 may be connected to each other to form a ring; and a portion of * represents a bond to a cellulose skeleton of the cellulosic substance.
    Type: Application
    Filed: March 26, 2009
    Publication date: October 1, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Yutaka Nozoe, Tomoko Kuwabara, Kunihiro Atsumi
  • Patent number: 7550546
    Abstract: A norbornene-based polymer contains at least one kind of a repeating unit represented by the following formula (I): wherein R1 and R2 each represent a hydrogen atom, an alkyl group which may possess a substituent group or an aryl group which may possess a substituent group, L and L? each represent a bivalent linking group or a single bond, and A and A? each represent an aromatic group.
    Type: Grant
    Filed: July 26, 2007
    Date of Patent: June 23, 2009
    Assignee: Fujifilm Corporation
    Inventors: Saisuke Watanabe, Yutaka Nozoe, Seiya Sakurai, Kiyoshi Takeuchi
  • Publication number: 20090153782
    Abstract: A liquid crystal display device comprising a liquid crystal cell and two polarizing plates disposed on the both sides thereof, wherein a protective film satisfying the specific conditions of retardation is sandwitched each between the liquid crystal cell and the polarizing plates. The liquid crystal display device can be easily produced at low costs and has a low viewing angle dependency of color.
    Type: Application
    Filed: June 6, 2006
    Publication date: June 18, 2009
    Applicant: FUJIFILM CORPORATION
    Inventors: Nobutaka Fukagawa, Hiromoto Haruta, Yutaka Nozoe
  • Publication number: 20090122237
    Abstract: A polymer film, which comprises: organic compound fine particles containing a retardation developer and having an average particle size of from 1 nm to 1,000 nm; a method for producing a polymer film, which comprises: casting a dope containing a polymer, a solvent for dissolving the polymer, a retardation developer and an additive other than the retardation developer on a support; peeling off; drying; and stretching, wherein the retardation developer is uniformly dissolved in the dope, and between the casting and the stretching, organic compound fine particles containing the retardation developer are formed within a film; and an optical film, which comprises: at least one compound represented by formula (I) as defined in the specification; and at least one Rth raising agent.
    Type: Application
    Filed: November 2, 2006
    Publication date: May 14, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Nobutaka Fukagawa, Shigeki Uehira, Yutaka Nozoe, Mamoru Sakurazawa, Susumu Sugiyama, Teruki Niori